To a Java programmer, there doesn’t look to be anything wrong. But Objective-C, birthed from C, is a different beast. My first inclination was to fire up Google, and pose the first question that came to my mind:

Stack Overflow went into public beta in September of 2008 (I got the answer for this question by asking “how old is stackoverflow” on Meta Stack Overflow) — that’s not very long ago. What a game changer (not to mention a time saver) Stack Overflow has become.